diff --git a/install-all.sh b/install-all.sh
index cc74281d..0a56e0ed 100755
--- a/install-all.sh
+++ b/install-all.sh
@@ -5,6 +5,9 @@ CABAL=cabal
 # install testing dependencies
 $CABAL install HUnit QuickCheck 'hspec >= 0.6.1 && < 0.7' shelltestrunner || exit 1
 
+git submodule init
+git submodule update
+
 PACKAGES="blaze-textual aeson authenticate yesod-core yesod-json yesod-static yesod-persistent yesod-newsfeed yesod-form yesod-auth yesod-sitemap yesod"
 for package in $PACKAGES
 do